I am processing MRP data, with BOM relations as pairs of part number strings. I want to construct lists that represent the linear graphs defined by these pairs.
Here is some code to generate random ...

Does anyone know the default algorithm used in NonlinearModelFit? The documentation gives several possible algorithms, but I can't figure out what it uses if you do not specify the algorithm.
Thanks.
...

I have a matrix with a bunch of parameters in its entries, they all come in different combinations in different places of the matrix. I can post the matrix itself if requested, but I think what I mean ...

The document centre seems only explain how to use these functions, but just in an very brief way. I know Mathmatica is not open source, so we can not expect to see the code of the function, but are ...

Creating a Kaleidoscope in Mathematica is not a new topic at all, examples can be found from the links like:
Wolfram reference and
Wolfram demonstrations.
My question is how to create Poincare disk ...

Is there a way by which Mathematica can be given a graph as an input and be asked to find its expansion?
Note:
By "expansion" I mean the quantity called "isoperimetric number" or "Cheeger constant", ...

I need to program in an algorithm that recursively makes algebraic replacements which leads to an utterly complicated algebraic function of $x$, but whose final result is only needed at fixed order in ...

I am interested in the following question: How is it possible to check whether an algorithm is working properly?
However, this question is too general for the post and I'd like to restrict attention ...

I would like to implement an algorithm I have created using a (free) CDF document as interface.
The idea is:
The user has to give some input values (maybe through a sort of text box, if possible —a ...

I have a large homogenous multivariate polynomial in, say, 5 variables $a,b,c,d,e$. As an example take the polynomial $$a^4+2abcd+a^2 b^2+e^4+cde^2.$$ Now I would like to replace $k$-th power of any ...

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